Description
ip_print procedure in Tcpdump 3.4a allows remote attackers to cause a denial of service via a packet with a zero length header, which causes an infinite loop and core dump when tcpdump prints the packet.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- tcpdump 3.4 - Protocol Four / Zero Header Length EDB-19251 · remote · Jun 16, 1999 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 313 vdb-entry
- 19990616 tcpdump 3.4 bug? mailing-list
- 19990617 Re: tcpdump 3.4 bug? mailing-list
- 19990620 Re: tcpdump 3.4 bug? (final) mailing-list